<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>WebSocket客户端</title>
		<script type="text/javascript">
			var socket;
			if(!window.WebSocket){
				window.WebSocket = window.MozWebSocket;
			}
			
			if(window.WebSocket){
				socket = new WebSocket("ws://localhost:8888/webSocket2");
				socket.onmessage = function(event){
					var ta = document.getElementById('responseContent');
					ta.value += event.data + "\r\n";
				};
				
				socket.onopen = function(event){
					var ta = document.getElementById('responseContent');
					ta.value = "你当前的浏览器支持webSocket,请进行后续操作\r\n";
				};
				
				socket.onclose = function(event){
					var ta = document.getElementById('responseContent');
					ta.value = "";
					ta.value = "WebSocket连接已经关闭\r\n";
				};
			}else{
				alert("您的浏览器不支持WebSocket");
			}
			
			function send(message){
				if(!window.WebSocket){
					return;
				}
				
				if(socket.readyState == WebSocket.OPEN){
					socket.send(message);
				}else{
					alert("WebSocket连接没有建立成功");
				}
			}
		</script>
	</head>
	<body>
		<form onsubmit="return false;">
			<input type="text" name = "message"	 value = "" />
			<br/><br/>
			<input type="button" value="发送WebSocket请求消息" onclick="send(this.form.message.value)"/>
			<hr color="red">
			<h2>客户端接收到服务端返回的应答消息</h2>
			<textarea id="responseContent" style="width: 1024px; height: 300px;"></textarea>
		</form>
	</body>
</html>
